Surf Forecasts:
Kennebunk Beach surf forecast from 12 Aug 2026:
- Best quality surf: Monday 17 Aug, 5AM (local time) - 5.5ft (1.7m), 6s period, SSE swell with cross-offshore winds.
- Most powerful swell: Monday 17 Aug, 5AM (local time) - 5.5ft (1.7m), 6s period, SSE swell with 245 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 5AM (local time) - 5.5ft (1.7m), 6s period with SSE swell.
Best Forecast Surf Conditions for Kennebunk Beach this week:
The surf forecast for Kennebunk Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 5AM. The primary swell is predicted to be 1.7m and 6s period with a secondary swell of 1.6m and 6s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Kennebunk Beach in the next 16 days are 1.7m 6s and forecast to arrive on Monday (Aug 17) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Monday (Aug 17) at 11AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Mon 17th Aug) | 5.5ft (1.7m) 6s |
| Best Surf | 5AM (Mon 17th Aug) | 5.5ft (1.7m) 6s |
| Most Powerful | 5AM (Mon 17th Aug) | 5.5ft (1.7m) 6s |
Table - best surf conditions forecast for Kennebunk Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on the cards for the next couple of weeks.
To be straight with you, it’s a pretty quiet start. We’re looking at a long stretch of small, weak surf with nothing really worth paddling out for. The first few days are all flat and messy, with swell heights barely a wobble and combined energy readings stuck in the teens and twenties. You’d be fighting a losing battle against the wind ripples. Honestly, there’s nothing to get excited about until Monday the 17th of August, and even then it’s only just barely surfable.
That Monday morning, we finally see a little pulse of life. The swell picks up to 4ft from the SSE, with a period of 7 seconds and combined energy of 123 (moderate). The wind is a light cross-offshore from the NNW, keeping things clean. It’s not going to be world-class, but it’s the first real chance to get wet. The break is Kennebunk Beach, and it’s a sheltered spot, so you’ll need that swell to push in. It’s a beach break, and with that short period, the waves will be a bit lumpy and close together, so don’t expect long walls. The water temperature is about average for the time of year, nothing unusual. It’s a fair call for intermediates, but beginners might find it a bit punchy.
After that morning, the wind swings onshore and the quality drops right off again. The rest of the week is back to tiny, weak waves, with a few glassy moments here and there but no real power. The morning of Tuesday the 18th of August is glassy with a tiny 1ft swell, but that’s about it. The whole period is a real struggle for any kind of decent surf.
There’s a late run of very clean conditions from the 24th of August onwards, with light offshore and cross-off winds, but the swell is just too small – 0.7ft to 1ft – to do anything on. The combined energy readings are low, in the 20s and 30s. It’s a classic case of the ocean looking pretty but having no push.
So, the standout here is really just that Monday morning on the 17th of August. It’s the only window where the swell size and wind line up to give you something rideable. It’s not a classic, but it’s the best on offer.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Wed afternoon, min 18°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 41mm), heaviest during Sun night. Warm (max 25°C on Mon afternoon, min 17°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | ESE 9 | SE 14 | ESE 8 | SE 11 | SE 10 | S 3 | SE 10 | ESE 10 | SE 10 | SE 9 | ESE 9 | ESE 9 | SW 4 | SE 9 | SE 9 | SSE 6 | SSE 7 | E 6 | E 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 8 | 8 | 8 | 5 | 4 | 8 | 15 | 9 | 14 | 13 | 8 | 8 | 8 | 12 | 12 | 239 | 123 | 109 | 47 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | on | cross-on | cross-on | cross-off | cross | cross-off | cross-on | cross-off | cross-off | cross-on | cross | cross-on | cross-on | cross | cross-off | off | cross |
High Tide | 10:49PM3.24m | 11:30AM2.85m | 11:44PM3.27m | 12:21PM2.95m | 00:36AM3.24m | 1:09PM3.01m | 1:25AM3.14m | 1:56PM3.01m | 2:14AM3.00m | 2:41PM2.96m | 3:03AM2.82m | 3:26PM2.88m | 3:53AM2.63m | ||||||
Low Tide | 5:14AM-0.27m | 5:23PM-0.02m | 6:05AM-0.31m | 6:17PM-0.08m | 6:53AM-0.30m | 7:08PM-0.09m | 7:39AM-0.22m | 7:58PM-0.05m | 8:23AM-0.09m | 8:48PM0.04m | 9:08AM0.08m | 9:38PM0.15m | |||||||
 |  |  |  | |  | | | |  | | | | |  | | | | | |
 | — | 5:43 | — | — | 5:43 | — | — | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:48 | — | — |
 | 7:51 | — | 7:50 | — | — | 7:47 | — | — | 7:46 | — | — | 7:45 | — | — | 7:44 | — | — | 7:42 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 3 | 37 | — | — | — |
Temp °C | 24 | 26 | 27 | 23 | 25 | 25 | 22 | 24 | 24 | 19 | 22 | 23 | 21 | 21 | 24 | 20 | 24 | 25 | 22 |
Feels °C | 22 | 24 | 26 | 22 | 24 | 25 | 23 | 23 | 23 | 16 | 20 | 22 | 19 | 19 | 21 | 19 | 24 | 24 | 20 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | SE 8 | ESE 8 | S 4 | S 4 | SE 8 | S 4 | ESE 10 | SE 10 | SE 9 | ESE 9 | ESE 9 | SSW 4 | S 4 | SE 9 | — | SSE 7 | E 6 | E 6 |
| kJ | 8 | 3 | 7 | 4 | 3 | 3 | 1 | 9 | 14 | 13 | 8 | 8 | 5 | 1 | 12 | — | 123 | 109 | 47 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 6 | S 6 | SE 8 | SE 8 | SE 13 | SE 10 | SE 7 | E 13 | S 5 | S 7 | — | ESE 9 | SE 9 | — | — | — | S 7 | SSE 7 |
| kJ | 1 | 3 | 1 | 3 | 3 | 7 | 15 | 2 | 3 | 1 | 1 | — | 8 | 12 | — | — | — | 24 | 10 |
Swell 3 Height (m) Direction Period (s) | E 14 | SE 14 | SE 14 | SE 11 | SE 10 | E 10 | SE 13 | SE 13 | S 13 | E 13 | SE 12 | SE 12 | S 7 | S 8 | S 7 | — | — | — | SSE 8 |
| kJ | 4 | 8 | 8 | 5 | 4 | 2 | 7 | 7 | 3 | 3 | 6 | 6 | 1 | 5 | 4 | — | — | — | 7 |
Wind waves Height (m) Direction Period (s) | NW 2 | NW 3 | SW 2 | — | — | S 3 | — | — | W 3 | NNW 2 | N 4 | S 7 | SW 4 | — | — | SSE 6 | NE 5 | — | — |
| kJ | 1 | 1 | 1 | — | — | 8 | — | — | 2 | 1 | 6 | 4 | 6 | — | — | 239 | 117 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 235 | 1956 | 1752 | 470 | 335 | 2795 | 511 | 607 | 959 | 1101 | 1271 | 3529 | 585 | 1790 | 1790 | 11 | 11 | 45 | 11 |
Best forecast wave conditions in Maine | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Kennebunk Beach Surf forecast
The above surf forecast table for Kennebunk Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kennebunk Beach can be found by selecting the local surf guide option on the grey menu. Our Kennebunk Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kennebunk Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Kennebunk Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Kennebunk Beach is 17 km (11 miles) from Biddeford. If you plan a vacation in Maine, look for hotels and other accommodation in Biddeford. Biddeford has rooms for a wide range of budgets as well as car hire and transport links.
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